Home / 20,332.60-30,495.76-5,542.71

Finding the Fourth Proportional to 20,332.60, 30,495.76 and 5,542.71

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Solution

The fourth proportional to 20,332.60, 30,495.76 and 5,542.71 is: 8,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.60 : 30,495.76 = 5,542.71 : x
  2. Step 2: Convert to fraction form
    20,332.60/30,495.76 = 5,542.71/x
  3. Step 3: Cross multiply
    20,332.60x = 30,495.76 × 5,542.71
  4. Step 4: Simplify right side
    20,332.60x = 169,028,973.72
  5. Step 5: Solve for x
    x = 169,028,973.72/20,332.60
  6. Step 6: Final answer
    x = 8,313.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.